Plaster & sprayHigh-frequency absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Manufacturer data unter http://asonad.de, Feb. 2001
Value from the PTB table, not verified
ICC Sonaspray K-13 FC cellulose-based acoustic spray plaster
Sonaspray K-13 FC
PTB reference data
Original description
ICC Sonaspray K-13 FC cellulose-based acoustic spray plaster
Material properties
Manufacturer: ICC
Thickness: 0.6 in, 0.7 in, 1 in
Application: ceiling, wall
Mounting: spray application
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)· 3 variants
NRC
0.90
Frequency values
αp per octave band
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.20 | 0.40 | 0.90 | 1.00 | 1.00 | 1.00 |
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| Compare | Value | |
|---|---|---|
| 25 | NRC0.90 | |
| 19 | NRC0.75 | |
| 16 | NRC0.70 |
NRC: 0.90 (derived from ISO 354 lab data)
Application: Aufspritzen on Untergrund
Measured values as a table (3 measurements)
| Build-up | NRC | 125 Hz | 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz |
|---|---|---|---|---|---|---|---|
| 16 · Aufspritzen on Untergrund · fein | 0.70 | 0.16 | 0.22 | 0.57 | 0.96 | 1.09 | 1.12 |
| 19 · Aufspritzen on Untergrund · fein | 0.75 | 0.18 | 0.27 | 0.67 | 1.02 | 1.11 | 1.12 |
| 25 · Aufspritzen on Untergrund · fein | 0.90 | 0.22 | 0.38 | 0.88 | 1.16 | 1.15 | 1.12 |
Measured values as a table (3 measurements)
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